Gibson, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 52.7 °F (low) to 75.7 °F (high). Annual precipitation averages 46.2 Inches. Gibson is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 35.0 °F | 57.3 °F | 4.44 in. |
| February | 37.3 °F | 60.9 °F | 4.02 in. |
| March | 43.5 °F | 68.5 °F | 4.49 in. |
| April | 50.8 °F | 76.2 °F | 3.18 in. |
| May | 59.9 °F | 83.4 °F | 2.92 in. |
| June | 67.8 °F | 89.2 °F | 4.66 in. |
| July | 71.0 °F | 92.3 °F | 4.35 in. |
| August | 70.1 °F | 90.7 °F | 4.55 in. |
| September | 64.6 °F | 86.0 °F | 3.69 in. |
| October | 53.2 °F | 77.1 °F | 2.65 in. |
| November | 42.2 °F | 67.2 °F | 3.07 in. |
| December | 37.2 °F | 59.6 °F | 4.14 in. |
| Annual | 52.7 °F | 75.7 °F | 46.16 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |